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Front Pharmacol. 2012 Feb 24;3:20. doi: 10.3389/fphar.2012.00020. eCollection 2012.

Promotion of Myelopoiesis in Myelosuppressed Mice by Ganoderma lucidum Polysaccharides.

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  • 1Department of Pharmacology, School of Basic Medical Science, Peking University Health Science Center Beijing, China.


Our previous studies demonstrated that Ganoderma lucidum polysaccharides (Gl-PS) exhibit potent immunomodulating effects. Immunomodulation plays an important role in hematopoiesis. To investigate the possible mechanism by which Gl-PS promote myelopoiesis during myelosuppression induced by cyclophosphamide, mice were injected intraperitoneally (i.p.) once daily with 2.5 mg/kg of Gl-PS for 10 days and were treated i.p. once daily with cyclophosphamide (100 mg/kg) on days 2 through 4. In the present study in vivo and in vitro, we find that Gl-PS selectively bind to bone marrow stromal cells, stimulate the secretion of hematopoietic growth factors, and enhance the clonogenic activities of hematopoietic and stromal cells to promote hematopoiesis in myelosuppressed mice.


Ganoderma lucidum polysaccharides; hematopoiesis; myelosuppression

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